The Bearing,ball,annular, cataloged under National Stock Number 3110-00-540-4685, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-540-4685 |
| Primary Part Number | 2311J |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-SEPARABLE |
| Overall Outside Diameter | 120.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | ANGULAR |
| Internal Fit-Up Contact Angular Direction | INWARD CONVERGENT |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 55.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2311J PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| L6311 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 2311 | 5/9 Secondary reference Skf Usa Inc. |
NSN 3110-00-540-4685 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-540-4685 has 1 manufacturer part number on file: 2311J (Skf Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5342-00-597-6584. Verify interchangeability with system specifications before substitution.
Key specifications for 2311J: Retainer Fabrication Method: PRESSED; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: NON-SEPARABLE. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.